Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Amortization Expense

Amortization expense associated with our intangible assets are reflected as a separate operating expense caption — amortization of intangible assets — and are excluded from cost of revenues and selling, general and administrative expenses within the accompanying condensed consolidated statements of income and comprehensive income. Amortization expense consisted of the following: 

	Quarter Ended March 31,				Six Months Ended March 31,
	2019		2018		2019		2018
	(In thousands)
Completed technology	$	494	$	615	$	988	$	1,321
Other intangible assets	1,009		1,069		2,017		2,151
Total	$	1,503	$	1,684	$	3,005	$	3,472

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated future intangible asset amortization expense associated with intangible assets existing at March 31, 2019 was as follows (in thousands):

Year Ending September 30,
2019 (excluding the six months ended March 31, 2019)	$	2,907
2020	3,619
2021	2,412
2022	2,267
2023	217
	$	11,422

Schedule of Goodwill

The following table summarizes changes to goodwill during the six months ended March 31, 2019, both in total and as allocated to our segments:

	Applications			Scores		Decision Management Software		Total
	(In thousands)
Balance at September 30, 2018	$	585,161		$	146,648	$	69,081	$	800,890
Addition from acquisitions	980			—		—		980
Foreign currency translation adjustment	(1,254		)	—		80		(1,174		)
Balance at March 31, 2019	$	584,887		$	146,648	$	69,161	$	800,696